M10-1.5X25 DIN 6921 Class 8 Point 8 Metric Flange Bolt Screw Zinc Rohs, Pkg of 400

Screws are intended for use in hygienic design applications, the sealed flange surface enables components to be mounted without dead spaces. The high quality finish as well as the large corner radii and closed surfaces prevent adherence of dirt and facilitates cleaning. Sealing Ring Material made of Hydrogenated Acrylonitrile Butadiene Rubber (H-NBR)

5/16-18X2 1/2 Serrated Hex Flanged Washer indented U/C Full Thread Scr Case Hard Zinc Bake. Indented hex washer head offers advantages of hex head, plus greater protection to mating surface.

Hex flange bolts are used when a hex washer head bolt is needed to spread clamping force over a larger surface area.

Twelve-point drive types have a compact head shaped into twelve triangular points. They distribute torque well and are used with twelve-point wrenches and sockets.

M10-1.5X70 DIN 6921 Class 10 Point 9 Metric Flange Bolt Screw Plain. Hex flange head provides extra surface area similar to washer.